| Progress | Difficulty | Peak |
|---|---|---|
| Vol 1 | 3.71/5 | 4.51/5 |
| Vol 2 | 3.73/5 | 4.51/5 |
| Vol 3 | 3.71/5 | 4.50/5 |
| Vol 4 | 3.96/5 | 4.60/5 |
| Vol 5 | 3.66/5 | 4.47/5 |
| Vol 6 | 3.82/5 | 4.54/5 |
| Vol 7 | 3.80/5 | 4.55/5 |
| Vol 8 | 3.96/5 | 4.59/5 |
| Vol 9 | 3.96/5 | 4.59/5 |
| Vol 10 | 3.96/5 | 4.59/5 |
| Vol 11 | 3.87/5 | 4.56/5 |
| Vol 12 | 3.75/5 | 4.54/5 |
| Vol 13 | 3.73/5 | 4.55/5 |
| Vol 14 | 3.91/5 | 4.58/5 |
| Vol 15 | 3.76/5 | 4.53/5 |
| Vol 16 | 3.76/5 | 4.52/5 |
| Vol 17 | 3.72/5 | 4.52/5 |
| Vol 18 | 3.92/5 | 4.58/5 |
| Vol 19 | 3.92/5 | 4.57/5 |
| Vol 20 | 3.97/5 | 4.59/5 |
| Overall | 3.83/5 | 4.60/5 |